The New Penn Slammer III is back by popular demand. Built for heavy-duty fishing from either boat or shore, and trusted by charter captains all over the world. The Slammer III reels feature Penn's new IPX6 Sealed System which keeps water out of the gear box and drag system. Penn also upgraded the Slammer Drag System which now utilizes their proprietary Dura-Drag material. The Slammer is not only back, it's better than ever before. Full Metal (Diecast Aluminum) Body/Rotor Construction. CNC Gear Technology (All Brass). Sealed Dura-Drag System (IPX6 SEALED).